Bob Mark
Robert 'Bob' Mark was a professional tennis player from Australia.
Mark won the Australian Men's Doubles title in 1959, 1960 and 1961 partnering Rod Laver. With Sandra Reynolds, he won the 1960 Australian Mixed Doubles title, and in 1961, he teamed up with compatriot Margaret Smith to win the U.S. National Championships Mixed Doubles title.
In 1962, he won the singles title at the South African Championships after a four-sets victory in the final against Gordon Forbes.
Grand slam finals
Doubles (3 titles, 4 runner-ups)
| Outcome | Year | Championship | Surface | Partner | Opponents | Score |
| Runner-up | 1958 | Australian Championships | Grass |  Roy Emerson | Ashley Cooper Neale Fraser | 5–7, 8–6, 6–3, 3–6, 5–7 |
| Winner | 1959 | Australian Championships | Grass | Rod Laver | Don Candy Bob Howe | 9–7, 6–4, 6–2 |
| Runner-up | 1959 | Wimbledon Championships | Grass | Rod Laver | Roy Emerson Neale Fraser | 6–8, 3–6, 16–14, 7–9 |
| Winner | 1960 | Australian Championships | Grass | Rod Laver | Roy Emerson Neale Fraser | 1–6, 6–2, 6–4, 6–4 |
| Runner-up | 1960 | US National Championships | Grass | Rod Laver | Roy Emerson Neale Fraser | 7–9, 2–6, 4–6 |
| Winner | 1961 | Australian Championships | Grass | Rod Laver | Roy Emerson Martin Mulligan | 6–3, 7–5, 3–6, 9–11, 6–2 |